Ocular hypertension

高眼压
  • 文章类型: Case Reports
    Alport syndrome is a hereditary disease characterized by glomerulopathy, manifested by hematuria and/or proteinuria, progressive decline in renal function, often combined with hearing and vision pathology. This article presents a clinical case of spontaneous opening of the anterior lens capsule in a patient with Alport syndrome, accompanied by uveitis and ophthalmic hypertension, and describes the features of the surgical aid and the postoperative period.
    Синдром Альпорта — наследственное заболевание, характеризующееся гломерулопатией, проявляющееся гематурией и/или протеинурией, прогрессирующим снижением почечных функций, часто сочетающимся с патологией слуха и зрения. В статье представлен клинический случай самопроизвольного вскрытия передней капсулы хрусталика у пациента с синдромом Альпорта, которое сопровождалось увеитом и офтальмогипертензией; описаны особенности хирургического пособия и течения послеоперационного периода.
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  • 文章类型: Journal Article
    背景:Posner-Schlossman综合征欧洲研究组(PSS-ESG)的目的是获取欧洲PSS患者的综合数据集。这里,我们提供了有关研究方案和患者基线临床发现的第一份报告.
    方法:PSS-ESG是一个回顾性研究,旨在评估PSS患者的多中心研究。这项研究,由欧洲专家委员会设计和驱动,包括三个数据集:(1)基线,(2)随访和(3)眼压(IOP)/青光眼数据集。
    结果:共有11个遵循PSS-ESG的中心和107名患者被纳入(68名男性,39名女性)主要是白种人(93.4%)。葡萄膜炎发作时,病人的年龄在11到76岁之间,(平均年龄:42±15岁)。80.3%的眼睛的最佳矫正视力>0.5,44%的眼睛的IOP>40mmHg。在78.5%的眼睛中发现了角质沉淀物。在56%和53%的病例中未检测到前房中的耀斑或细胞,分别。在81名接受测试的患者中,有50.6%的水性样品的PCR分析对巨细胞病毒DNA呈阳性。
    结论:PSS-ESG是第一个旨在收集非亚洲国家PSS患者综合数据集的多中心研究。一名患有低度前房炎的中年白人男性,角质沉淀物,在参与PSS-ESG的11个葡萄膜炎和青光眼中心中,视力保持和IOP显著升高似乎是标准PSS患者.
    BACKGROUND: The aim of the Posner-Schlossman Syndrome European Study Group (PSS-ESG) is to acquire a comprehensive dataset of European patients with PSS. Here, we present the first report on the study protocol and the clinical findings of the patients at baseline.
    METHODS: The PSS-ESG is a retrospective, multicentre study designed to evaluate patients with PSS. The study, designed and driven by a European Expert Committee includes three datasets: (1) the baseline, (2) the follow-up and (3) the intraocular pressure (IOP)/glaucoma dataset.
    RESULTS: A total of 11 centres adhered to the PSS-ESG and 107 patients were included (68 males, 39 females) mostly Caucasian (93.4%). At uveitis onset, the patient\'s age ranged between 11 and 76 years, (mean age: 42±15 years).Best-corrected visual acuity was >0.5 in 80.3% of the eyes, IOP was >40 mm Hg in 44% of the eyes. Keratic precipitates were found in 78.5% of the eyes. No flare or cells in anterior chamber were detected in 56% and 53% of the cases, respectively. PCR analysis on aqueous sample was positive for cytomegalovirus-DNA in 50.6% out of the 81 tested patients.
    CONCLUSIONS: The PSS-ESG is the first multicentre study aimed to collect a comprehensive dataset of patients with PSS in non-Asian countries. A middlde-aged Caucasian male with a low-grade anterior chamber inflammation, keratic precipitates, preserved visual acuity and marked increased in IOP seemed to be the standard PSS patient across the 11 uveitis and glaucoma centres participating in the PSS-ESG.
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  • 文章类型: Journal Article
    目的:评估少数民族患者对生活质量结果是否有不同的看法,这对他们来说是最重要的。
    方法:横断面观察性研究。
    方法:为英国种族最多样化的地区服务的高容量眼部中心,从2021年7月到2022年2月招募。
    方法:511例原发性开角型青光眼患者和高眼压病前状态。
    方法:主要结果是参与者自我报告的健康结果优先事项。
    结果:参与者分为四个对健康结果具有不同优先级的集群之一,即:(1)视觉,(2)下降自由,(3)眼压和(4)一次性治疗。在调整了潜在的混杂因素后,种族是集群成员资格的最强决定因素。与仅优先考虑视力的白人患者相比,黑人/黑人英国患者的OR为7.31(95%CI3.43~15.57,p<0.001),优先考虑跌落自由度;眼压为5.95(2.91~12.16,p<0.001);一次性治疗为2.99(1.44~6.18,p=0.003).对于亚裔/亚裔英国患者,将眼压优先于视力的OR为3.17(1.12~8.96,p=0.030).除视力外,其他少数民族在优先考虑健康结果方面也有较高的OR值:4.50(1.03至19.63,p=0.045)的下降自由度和5.37(1.47至19.60,p=0.011)的眼压。
    结论:种族与对重要的健康结果的不同看法密切相关。在临床和研究环境中选择和评估治疗方法时,需要个性化和种族包容性的方法。
    OBJECTIVE: To assess whether patients from minority ethnic groups have different perceptions about the quality-of-life outcomes that matter most to them.
    METHODS: Cross-sectional observational study.
    METHODS: High volume eye centres serving the most ethnically diverse region in the UK, recruiting from July 2021 to February 2022.
    METHODS: 511 patients with primary open-angle glaucoma and the predisease state of ocular hypertension.
    METHODS: The main outcome was participants\' self-reported priorities for health outcomes.
    RESULTS: Participants fell into one of four clusters with differing priorities for health outcomes, namely: (1) vision, (2) drop freedom, (3) intraocular pressure and (4) one-time treatment. Ethnicity was the strongest determinant of cluster membership after adjusting for potential confounders. Compared with white patients prioritising vision alone, the OR for black/black British patients was 7.31 (95% CI 3.43 to 15.57, p<0.001) for prioritising drop freedom; 5.95 (2.91 to 12.16, p<0.001) for intraocular pressure; and 2.99 (1.44 to 6.18, p=0.003) for one-time treatment. For Asian/Asian British patients, the OR was 3.17 (1.12 to 8.96, p=0.030) for prioritising intraocular pressure as highly as vision. Other ethnic minority groups also had higher ORs for prioritising health outcomes other than vision alone: 4.50 (1.03 to 19.63, p=0.045) for drop freedom and 5.37 (1.47 to 19.60, p=0.011) for intraocular pressure.
    CONCLUSIONS: Ethnicity is strongly associated with differing perceptions about the health outcomes that matter. An individualised and ethnically inclusive approach is needed when selecting and evaluating treatments in clinical and research settings.
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  • 文章类型: Journal Article
    目的:为了评估生动视觉视野仪(VVP)的可行性和性能,一种新的基于虚拟现实(VR)的视野平台。
    方法:招募接受汉弗莱视野(HVF)测试的7-18岁视力为20/80或更高的儿童进行VVP,基于VR的测试,使用超阈值刺激来测试54个视野位置并计算分数。计算Pearson相关系数以评估HVF平均灵敏度和VVP平均分数之间的相关性。对参与者的经历进行了调查。
    结果:23名参与者的37只眼睛(平均年龄,12.9±3.1岁;48%为女性)。所有参与者均成功完成VVP测试。诊断包括青光眼(12),青光眼可疑(7),类固醇诱导的高眼压(3),和颅咽管瘤(1)。16名参与者之前有HVF经验,之前都没有VVP经验,尽管7以前曾使用过VR。在进行的23次HVF测试中,9(39%)由于固定损失而不可靠,假阳性,或者假阴性。同样,35%的VVP测试是不可靠的(如通过准确的盲点检测所定义的)。排除不可靠的HVF测试,HVF平均灵敏度和VVP平均分数之间的相关性为0.48(P=0.02;95%CI,0.09-0.74).当被问及对VVP或HVF检查的偏好时,所有参与者都赞成VVP,70%的人对VVP“非常满意”。
    结论:在我们23名儿科受试者的队列中,VVP被证明是临床上可行的基于VR的视野测试,与HVF相比,这是一致首选的。
    OBJECTIVE: To assess the feasibility and performance of Vivid Vision Perimetry (VVP), a new virtual reality (VR)-based visual field platform.
    METHODS: Children 7-18 years of age with visual acuity of 20/80 or better undergoing Humphrey visual field (HVF) testing were recruited to perform VVP, a VR-based test that uses suprathreshold stimuli to test 54 field locations and calculates a fraction seen score. Pearson correlation coefficients were calculated to evaluate correlation between HVF mean sensitivity and VVP mean fraction seen scores. Participants were surveyed regarding their experience.
    RESULTS: A total of 37 eyes of 23 participants (average age, 12.9 ± 3.1 years; 48% female) were included. All participants successfully completed VVP testing. Diagnoses included glaucoma (12), glaucoma suspect (7), steroid-induced ocular hypertension (3), and craniopharyngioma (1). Sixteen participants had prior HVF experience, and none had prior VVP experience, although 7 had previously used VR. Of the 23 HVF tests performed, 9 (39%) were unreliable due to fixation losses, false positives, or false negatives. Similarly, 35% of VVP tests were unreliable (as defined by accuracy of blind spot detection). Excluding unreliable HVF tests, the correlation between HVF average mean sensitivity and VVP mean fraction seen score was 0.48 (P = 0.02; 95% CI, 0.09-0.74). When asked about preference for the VVP or HVF examination, all participants favored the VVP, and 70% were \"very satisfied\" with VVP.
    CONCLUSIONS: In our cohort of 23 pediatric subjects, VVP proved to be a clinically feasible VR-based visual field testing, which was uniformly preferred over HVF.
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  • 文章类型: Journal Article
    目的:比较布林佐胺-溴莫尼定(BB)(1%0.2%)与金标准拉坦前列素-噻吗洛尔(LT)(0.005%0.5%)治疗原发性开角型青光眼(POAG)和高眼压症(OHT)的疗效。方法:一项为期1年的前瞻性研究,从2022年5月到2023年5月,在一家三级眼科医院进行。参与者,40-60岁,基线眼压(IOP)>21mmHg,需要>30%的减少,已注册。A组(n=100)接受BB,B组(n=100)接受LT。在1个月时评估结果(IOP与基线的差异),3和6个月(平均昼夜变化)。结果:A组的平均年龄为55.5±4.5岁,B组的平均年龄为54.7±4.2岁。A组的平均眼压为18.7mmHg,而B组有17.6mmHg,差异无统计学意义(P=0.53)。两组均无显著昼夜变化(P=0.07)。A组88%的患者达到目标压力,B组92%略高。没有严重副作用的报道,B组(98%)的依从性高于A组(96%)。结论:虽然LT显示出略好和持续的眼压降低,差异无统计学意义。BB和LT在管理POAG和OHT方面均表现出可比的结果。
    Purpose: To compare the efficacy of Brinzolamide-Brimonidine (BB) (1%+0.2%) with the gold standard Latanoprost-Timolol (LT) (0.005%+0.5%) in treating primary open-angle glaucoma (POAG) and ocular hypertension (OHT). Methods: A 1-year prospective study, spanning from May 2022 to May 2023, conducted at a tertiary eye-care hospital. Participants, aged 40-60, with a baseline intraocular pressure (IOP) >21 mm Hg, requiring a >30% reduction, were enrolled. Group A (n = 100) received BB, and Group B (n = 100) received LT. Outcomes were assessed at 1 month (IOP difference from baseline), 3 and 6 months (mean diurnal variations). Results: The mean age at presentation was 55.5 ± 4.5 years in Group A and 54.7 ± 4.2 years in Group B. At 1 month, Group A exhibited a mean IOP of 18.7 mm Hg, while Group B had 17.6 mm Hg, with no statistically significant difference (P = 0.53). No significant diurnal variation was observed in either group (P = 0.07). Target pressure was achieved in 88% of patients in Group A and slightly higher at 92% in Group B. Moreover, no serious side effects were reported, and compliance was higher in Group B (98%) compared to Group A (96%). Conclusion: Although LT showed slightly better and sustained IOP reduction, the difference was not statistically significant. Both BB and LT demonstrated comparable outcomes for managing POAG and OHT.
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  • 文章类型: Journal Article
    结论:在开角型青光眼或高眼压症患者治疗12周后,与含BAK的比马前列素0.01%相比,无防腐剂的比马前列素0.01%的疗效无劣性。提高耐受性,特别是结膜充血,也被观察到了。
    目的:评价不含防腐剂的0.01%比马前列素眼用凝胶(PFB0.01%凝胶)与保存的0.01%比马前列素(PB0.01%)相比,降低眼压(IOP)的疗效和安全性。
    方法:第三阶段,国际,多中心,随机化,2平行组,调查员-蒙面,3个月的治疗时间。
    方法:患有青光眼或高眼压的患者在7周的磨合/冲洗期后随机接受每日一次的0.01%PFB凝胶(n=236)或0.01%PB(n=249),持续3个月。在第12周,主要疗效指标从IOP的基线变化。安全性措施包括不良事件(AE)和结膜充血的评估。
    结果:PFB0.01%凝胶和PB0.01%凝胶在12周时IOP相对于基线的平均变化分别为-9.72±2.97和-9.47±3.06mmHg,分别,早上8点,上午10点-9.41±3.03和-9.19±3.12mmHg,下午4点-8.99±3.36和-8.54±3.44mmHg。基于预定标准(在所有时间点均为1.5mmHg的95%CI上限),在第12周证明PFB0.01%凝胶对PB0.01%的非劣效性。最常见的AE是结膜充血;13例(5.5%)患者为PFB0.01%凝胶,17例(6.8%)患者为PB0.01%。与第6周的PB0.01%相比,PFB0.01%凝胶的结膜充血评分从基线恶化的患者百分比较低(20.1%vs.29.3%,分别)和第12周(18.3%与30.4%,分别)。
    结论:0.01%PFB眼用凝胶在降低IOP方面具有与0.01%PB相同的功效,并且在第6周和第12周时结膜充血的加重较少。
    CONCLUSIONS: Noninferiority of efficacy was demonstrated for a preservative-free bimatoprost 0.01% compared with BAK-containing bimatoprost 0.01% following a 12-week treatment period in patients with open angle glaucoma or ocular hypertension. Improved tolerability, in particular conjunctival hyperemia, was also observed.
    OBJECTIVE: To evaluate the intraocular pressure (IOP)-lowering efficacy and safety of a preservative-free bimatoprost 0.01% ophthalmic gel (PFB 0.01% gel) compared with preserved bimatoprost 0.01% (PB 0.01%).
    METHODS: Phase III, international, multicenter, randomized, 2-parallel group, investigator-masked, 3-month treatment duration.
    METHODS: Patients with glaucoma or ocular hypertension were randomized after a 7-week run-in/washout period to receive once-daily PFB 0.01% gel (n=236) or PB 0.01% (n=249) for 3 months. The primary efficacy measure was changed from baseline in IOP at week 12. Safety measures included adverse events (AEs) and assessment of conjunctival hyperemia.
    RESULTS: The mean changes from baseline in IOP at week 12 in the PFB 0.01% gel and PB 0.01% were -9.72±2.97 and -9.47±3.06 mm Hg, respectively, at 8 am , -9.41±3.03 and -9.19±3.12 mm Hg at 10 am , and -8.99±3.36 and -8.54±3.44 mm Hg at 4 pm . Noninferiority of PFB 0.01% gel to PB 0.01% was demonstrated at week 12 based on predetermined criteria (upper 95% CI margin of 1.5 mmHg at all time points). The most frequently reported AE was conjunctival hyperemia; 13 (5.5%) patients with PFB 0.01% gel and 17 (6.8%) patients with PB 0.01%. The percentage of patients experiencing a worsening from baseline in conjunctival hyperemia score was lower with PFB 0.01% gel compared to PB 0.01% at week 6 (20.1% vs. 29.3%, respectively) and week 12 (18.3% vs. 30.4%, respectively).
    CONCLUSIONS: PFB 0.01% ophthalmic gel has the same efficacy in lowering IOP as PB 0.01% and demonstrated less aggravation of conjunctival hyperemia at weeks 6 and 12.
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  • 文章类型: Journal Article
    原发性开角型青光眼(POAG)是一种高度遗传性疾病,迄今为止有127个确定的风险位点。多基因风险评分(PRS)可以提供总体遗传负担的临床有用度量,并改善患者风险分层。
    评估PRS是否改善了高眼压患者POAG发病的预测。
    这是对眼部高血压治疗研究的事后分析。数据来自22个美国站点,平均(SD)随访14.0(6.9)年。从1994年2月至2008年12月,共对1636名参与者进行了随访;1077名参与者参加了一项辅助遗传学研究,其中1009符合此分析的标准。PRS是使用来自最大的交叉血统POAG荟萃分析的汇总统计数据计算的,使用来自英国生物库449186名交叉祖先参与者的8813496种变体进行体重训练。数据从2022年7月到2023年12月进行了分析。
    从1994年2月到2002年6月,参与者被随机分配到局部眼压降低药物或密切观察。2002年6月后,两组均接受药物治疗。
    结果测量是POAG发作的危险比。使用一致性指数和受试者工作特征曲线下的时间依赖性面积来比较多变量Cox比例风险模型的预测性能。
    在1009名参与者中,562(55.7%)为女性,平均(SD)年龄为55.9(9.3)岁。350个POAG转化者的平均(SD)PRS(0.24[0.95])明显高于659个非转化者(-0.12[1.00])(P<.001)。POAG风险增加1.36%(95%CI,1.08-1.64),每提高PRS分位数,转化率从最低PRS分位数的9.52%(95%CI,7.09-11.95)到最高分位数的21.81%(95%CI,19.37-24.25)。低风险和高风险PRS三元组的比较显示,欧洲和非洲祖先的参与者20年POAG风险增加了2.0倍。在随机分组延迟治疗的亚组中,PRS每增加1分位数,与诊断时0.52岁(95%CI,0.01-1.03)的年龄减少相关(P=.047).在早期治疗组中,PRS与POAG诊断时的年龄之间没有显着的线性关联。与高血压治疗研究基线模型(C指数=0.75)相比,PRS作为协变量(C指数=0.77)的预测模型显着改善(P<0.001)。每1-SD较高的PRS赋予POAG发作的平均风险比为1.25(95%CI,1.13-1.44)。
    高PRS与高眼压患者POAG风险增加相关。包含PRS改善了POAG发作的预测。
    ClinicalTrials.gov标识符:NCT00000125。
    UNASSIGNED: Primary open-angle glaucoma (POAG) is a highly heritable disease, with 127 identified risk loci to date. Polygenic risk score (PRS) may provide a clinically useful measure of aggregate genetic burden and improve patient risk stratification.
    UNASSIGNED: To assess whether a PRS improves prediction of POAG onset in patients with ocular hypertension.
    UNASSIGNED: This was a post hoc analysis of the Ocular Hypertension Treatment Study. Data were collected from 22 US sites with a mean (SD) follow-up of 14.0 (6.9) years. A total of 1636 participants were followed up from February 1994 to December 2008; 1077 participants were enrolled in an ancillary genetics study, of which 1009 met criteria for this analysis. PRS was calculated using summary statistics from the largest cross-ancestry POAG meta-analysis, with weights trained using 8 813 496 variants from 449 186 cross-ancestry participants in the UK Biobank. Data were analyzed from July 2022 to December 2023.
    UNASSIGNED: From February 1994 to June 2002, participants were randomized to either topical intraocular pressure-lowering medication or close observation. After June 2002, both groups received medication.
    UNASSIGNED: Outcome measures were hazard ratios for POAG onset. Concordance index and time-dependent areas under the receiver operating characteristic curve were used to compare the predictive performance of multivariable Cox proportional hazards models.
    UNASSIGNED: Of 1009 included participants, 562 (55.7%) were female, and the mean (SD) age was 55.9 (9.3) years. The mean (SD) PRS was significantly higher for 350 POAG converters (0.24 [0.95]) compared with 659 nonconverters (-0.12 [1.00]) (P < .001). POAG risk increased 1.36% (95% CI, 1.08-1.64) with each higher PRS decile, with conversion ranging from 9.52% (95% CI, 7.09-11.95) in the lowest PRS decile to 21.81% (95% CI, 19.37-24.25) in the highest decile. Comparison of low-risk and high-risk PRS tertiles showed a 2.0-fold increase in 20-year POAG risk for participants of European and African ancestries. In the subgroup randomized to delayed treatment, each increase in PRS decile was associated with a 0.52-year (95% CI, 0.01-1.03) decrease in age at diagnosis (P = .047). No significant linear association between PRS and age at POAG diagnosis was present in the early treatment group. Prediction models significantly improved with the addition of PRS as a covariate (C index = 0.77) compared with the Ocular Hypertension Treatment Study baseline model (C index = 0.75) (P < .001). Each 1-SD higher PRS conferred a mean hazard ratio of 1.25 (95% CI, 1.13-1.44) for POAG onset.
    UNASSIGNED: Higher PRS was associated with increased risk for POAG in patients with ocular hypertension. The inclusion of a PRS improved the prediction of POAG onset.
    UNASSIGNED: ClinicalTrials.gov Identifier: NCT00000125.
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  • 文章类型: Journal Article
    目的:评价利帕舒地尔-溴莫尼定固定剂量联合用药(RBFC)的长期疗效和安全性,一种用于青光眼和高眼压(OHT)的新型降眼压(IOP)药物。
    方法:这种前瞻性,多中心(日本有23个站点),开放标签研究纳入原发性开角型青光眼(POAG)患者,OHT或剥脱性青光眼,并将其分配到四个联合治疗队列之一,根据以前接受的治疗:前列腺素(PG)类似物(队列1);PG类似物和β-肾上腺素受体阻滞剂(β-受体阻滞剂)(队列2);PG类似物,β-阻断剂和碳酸酐酶抑制剂(队列3);或其他/无治疗(队列4)。在≥4周的筛查期后,符合条件的患者除了已经接受的治疗外,还接受每天2次RBFC治疗,共52周.通过IOP从基线到第52周的变化来评估功效。全程监测不良事件和药物不良反应(ADR)。
    结果:总计,队列1的179例患者(n=48),队列2(n=44),队列3(n=41)和队列4(n=46)进入RBFC治疗期。对于所有队列,在第52周期间,平均IOP在11:00时(滴注RBFC后2小时)显著降低,与第52周时的基线相比变化为-2.7至-4.1mmHg;所有p<0.001.常见的不良反应是结膜充血(58%),过敏性结膜炎(18%)和眼睑炎(17%),其中大多数是轻微的严重程度。
    结论:这些数据证明了RBFC的长期疗效和安全性,单独和与其他抗青光眼药物联合使用。RBFC可能为青光眼和OHT的长期管理提供新的治疗选择。
    背景:日本临床试验注册标识符:jRCT2080225063。
    2020年2月17日。
    OBJECTIVE: To evaluate the long-term efficacy and safety of ripasudil-brimonidine fixed-dose combination (RBFC), a new intraocular pressure (IOP)-lowering medication for glaucoma and ocular hypertension (OHT).
    METHODS: This prospective, multicentre (23 sites in Japan), open-label study enrolled patients with primary open-angle glaucoma (POAG), OHT or exfoliative glaucoma and assigned them to one of four combination therapy cohorts, based on previous treatment(s) received: prostaglandin (PG) analogue (Cohort 1); PG analogue and beta-adrenoceptor blocker (β-blocker) (Cohort 2); PG analogue, β-blocker and carbonic anhydrase inhibitor (Cohort 3); or other/no treatment (Cohort 4). After a ≥ 4-week screening period, eligible patients received twice-daily RBFC for 52 weeks in addition to the treatments they were already receiving. Efficacy was assessed by change in IOP from baseline through week 52. Adverse events and adverse drug reactions (ADRs) were monitored throughout.
    RESULTS: In total, 179 patients from Cohort 1 (n = 48), Cohort 2 (n = 44), Cohort 3 (n = 41) and Cohort 4 (n = 46) entered the RBFC treatment period. For all cohorts, mean IOP was significantly reduced at 11:00 (2 h after instillation of RBFC) through week 52 with the changes from baseline at week 52 of - 2.7 to - 4.1 mmHg across cohorts; all p < 0.001. Common ADRs were conjunctival hyperaemia (58%), allergic conjunctivitis (18%) and blepharitis (17%), most of which were mild in severity.
    CONCLUSIONS: These data demonstrated the long-term efficacy and safety of RBFC, both alone and in combination with other anti-glaucoma agents. RBFC may offer a new treatment option for the long-term management of glaucoma and OHT.
    BACKGROUND: Japan Registry of Clinical Trials Identifier: jRCT2080225063.
    UNASSIGNED: 17 February 2020.
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  • 文章类型: Journal Article
    高眼压治疗研究(OHTS)确定了高眼压患者原发性开角型青光眼(POAG)的危险因素,包括模式标准偏差(PSD)。原型分析,一种无监督的机器学习方法,通过识别基线视野(VF)中的模式,可以提供更可解释的风险分层方法。
    OHTS中有3272只眼睛。原型分析使用24-2个基线VFs,并通过交叉验证进行模型选择。计算了原型(AT)的分解系数。实施了惩罚的Cox比例风险模型来选择判别性ATs。将AT模型与OHTS模型进行比较。确定了ATs与POAG发作和VF进展之间的关联,由每年的平均偏差变化定义。
    我们选择了8494个基线VF。最优AT计数为19。AT8患病率最高的是AT9、AT11和AT7。基于AT的预测模型对POAG发作的C指数为0.75。多变量模型表明AT5的四分位数范围增加(危险比[HR]=1.14;95%置信区间[CI],1.04-1.25),AT8(HR=1.22;95%CI,1.09-1.37),AT15(HR=1.26;95%CI,1.12-1.41),AT17(HR=1.17;95%CI,1.03-1.31)系数导致POAG发病风险增加。AT5、AT10和AT14与快速VF进展显著相关。在高风险ATs的亚组分析中(>95百分位数或<75百分位数系数),在低风险组中,PSD作为POAG的预测指标失去了意义。
    基线VFs,在可检测到青光眼损伤之前,包含代表早期变化的隐匿性模式,这些变化可能会增加高眼压患者POAG发作和VF进展的风险。基线时高风险模式的存在改变了PSD和POAG之间的关系。基于AT的POAG预测模型可以在临床环境中提供更可解释的青光眼特异性信息。
    UNASSIGNED: The Ocular Hypertension Treatment Study (OHTS) identified risk factors for primary open-angle glaucoma (POAG) in patients with ocular hypertension, including pattern standard deviation (PSD). Archetypal analysis, an unsupervised machine learning method, may offer a more interpretable approach to risk stratification by identifying patterns in baseline visual fields (VFs).
    UNASSIGNED: There were 3272 eyes available in the OHTS. Archetypal analysis was applied using 24-2 baseline VFs, and model selection was performed with cross-validation. Decomposition coefficients for archetypes (ATs) were calculated. A penalized Cox proportional hazards model was implemented to select discriminative ATs. The AT model was compared to the OHTS model. Associations were identified between ATs with both POAG onset and VF progression, defined by mean deviation change per year.
    UNASSIGNED: We selected 8494 baseline VFs. Optimal AT count was 19. The highest prevalence ATs were AT9, AT11, and AT7. The AT-based prediction model had a C-index of 0.75 for POAG onset. Multivariable models demonstrated that a one-interquartile range increase in the AT5 (hazard ratio [HR] = 1.14; 95% confidence interval [CI], 1.04-1.25), AT8 (HR = 1.22; 95% CI, 1.09-1.37), AT15 (HR = 1.26; 95% CI, 1.12-1.41), and AT17 (HR = 1.17; 95% CI, 1.03-1.31) coefficients conferred increased risk of POAG onset. AT5, AT10, and AT14 were significantly associated with rapid VF progression. In a subgroup analysis by high-risk ATs (>95th percentile or <75th percentile coefficients), PSD lost significance as a predictor of POAG in the low-risk group.
    UNASSIGNED: Baseline VFs, prior to detectable glaucomatous damage, contain occult patterns representing early changes that may increase the risk of POAG onset and VF progression in patients with ocular hypertension. The relationship between PSD and POAG is modified by the presence of high-risk patterns at baseline. An AT-based prediction model for POAG may provide more interpretable glaucoma-specific information in a clinical setting.
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  • 文章类型: Journal Article
    目的:确定24-2视野(VF)测试网格上最有可能在高眼压(OHTN)患者中进展的位置。根据视盘上相对脆弱区域的结构模型,我们假设鼻部和中央旁区域更容易显示敏感性降低.
    方法:对眼部高血压治疗研究(OHTS)的1期和2期收集的数据进行事后分析。应用逐点分析来确定早期和延迟治疗组的进展模式。每个组的进展率和频率计算52个位置对应的24-2VF策略,使用基于趋势和事件的分析,分别。
    结果:对于基于事件的分析,这些事件最常见于鼻部和中央旁区域.同样的地区,有一些适度的变化,被发现有最快的进展率(ROP)测量的趋势分析。在早期和延迟治疗组中观察到相似的进展模式。早期和延迟治疗组之间的事件发生率和ROP差异在鼻部和中央旁区域也最大。
    结论:高眼压眼VF丧失的发展似乎与先前在已确定VF丧失的青光眼中描述的脆弱区一致。眼部低血压治疗可能有助于减缓这些区域的进展速度。这表明仔细监测这些位置可能是有用的。
    OBJECTIVE: To determine the locations on the 24-2 visual field (VF) testing grid that are most likely to progress in patients with ocular hypertension (OHTN). Based on a structural model of superior and inferior areas of relative vulnerability at the optic disc, we hypothesized that the nasal and paracentral regions are more prone to show a reduction in sensitivity.
    METHODS: Posthoc analysis of data collected in phases 1 and 2 of the Ocular Hypertension Treatment Study (OHTS). A pointwise analysis was applied to determine the progression patterns in the early and delayed treatment groups. Each group\'s progression rate and frequency were calculated for each of the 52 locations corresponding to the 24-2 VF strategy, using trend- and event-based analyses, respectively.
    RESULTS: For the event-based analysis, the events were most commonly found in the nasal and paracentral regions. The same regions, with some modest variation, were found to have the fastest rates of progression (ROP) measured with trend analysis. A similar pattern of progression was observed in both the early and delayed treatment groups. The difference in event rates and ROP between the early and delayed treatment groups was also greatest in the nasal and paracentral regions.
    CONCLUSIONS: Development of VF loss in ocular hypertensive eyes appears to be consistent with the vulnerability zones previously described in glaucomatous eyes with established VF loss. Ocular hypotensive treatment likely helps to slow the rate of progression in these regions. This suggests that careful monitoring of these locations may be useful.
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